EXPIRE 



453 



EXTRA- 



Expire (eks-pir / ) [expirare, to breathe out] . To breathe 

 out ; to die. 



Explanate (eks' -plan at) [explanare, to flatten, spread 

 out]. In biology, spread out, flattened; applied to 

 parts usually rolled or folded. 



Exploration (eks-plor-u' 'shun) [explorare, to search 

 out]. The searching out the condition of a diseased 

 organ or part by means of auscultation, palpation, per- 

 cussion, etc. Also the searching of a wound to learn 

 its nature, course, etc., and if foreign bodies may be 

 present. Also the examination of the female genital 

 organs by the ringer or instrument for diagnostic pur- 

 poses. 



Explorator, Explorer (eks' -plor-a-tor , ex-plor'-er) [ex- 

 plorare, to search out]. An instrument for use in 

 exploration. E., Electric, an instrument for detect- 

 ing a bullet by means of the electric current. 



Exploratory (eks-plor 1 -at-or-e) [explorare, to search 

 out]. Pertaining to exploration. E. Puncture, the 

 puncture of a cavity or tumor and extraction there- 

 from of some of the contents to learn their nature. 

 E. Trocar, one especially adapted for exploratory 

 puncture. 



Explosion (eks-pU/ -zhun) [explodere, to drive away]. 



The sudden expansion of a body of small volume 



to great volume, with the resulting effects. 2. The 



dden and violent occurrence of any symptom or 



ction. 



losive (eks-plo'-siv) [explodere, to drive away]. 

 Consonants. E. speech, speech characterized by 

 ddenness and explosiveness of enunciation. 



Exposure (eks-po' -zhur) [exponere, to expose]. I. The 

 act of laying bare, as the genitals. 2. The state of 

 being open to some action or influence, as of cold or wet. 



Expression (eks-presh' '-un) [expressus ; exprimere, to 

 press out]. 1. A pressing out. The forcible separa- 

 tion of liquids from solids by pressure. 2. The 

 recognizable manifestation through the facial linea- 

 ments or the voice of any subjective feeling. E. of 

 Fetus or Placenta, assisting the expulsion of fetus 

 or placenta by pressure upon the abdominal walls. 



Expulsion (eks-pul' '-shun) [expulsio; expellere, to 

 drive out]. The act of driving out. E., Spontane- 

 ous, the extrusion of the fetus or the placenta 

 without external aid. 



Expulsive (eks-pul' -srv) [expellere, to drive out]. 

 Pertaining to the extrusion or driving out of the fetus 

 in childbirth, the voiding of the feces, urine, etc. 



Exsanguination (ek-sang-gwin-a'-shun) [ex, priv. ; 

 sanguis, blood]. The forcible expulsion of blood 

 from a part, as before amputation. 



Exsanguine (ek-sang'-gwin)[ex, priv.; sanguis, blood]. 

 Bloodless. 



Exsanguinity (ek-sa/ig-gwin'-it-e) [ex, priv. ; sanguis, 

 blood]. Bloodlessness ; extreme pallor. 



Exscinded (ek-sin' -ded) [ex, out ; scindere, to cut]. 

 In biology, terminating abruptly in an angular notch. 



Exscreation (ek-skre-a' -shun) [ex, out ; screare, to 

 hawk]. The act of clearing the throat by hawking 

 and spitting. 



Exsculptate (eks-kulp'-tdt) [exsculpere, to carve out]. 

 In biology, presenting a sculptured appearance. 



Exsert, Exserted (ek'-sert, ek-ser'-led) [exserere, to 

 thrust out] . In biology, projecting, as a stigma beyond 

 the anthers. 



Exsertus (ek-ser 1 '-tus) [L.]. Protruding; sometimes 

 applied to teeth that protrude. See Dens exsertus. 



Exsiccatae, Exsiccati (ek-sik-at'-e,-i) [exsiccare, to dry 

 up]. In biology, the dried plants of an herbarium. 



Exsiccation (ek-sik-a' '-shun) [ex, out; siccus, dry]. 

 The process of depriving a solid of its moisture or 

 volatile constituents by the agency of moderate heat. 



I 



Exsiccative (ek-sik'-at-iv) [exsiccare, to dry up]. I. 

 Having a strong drying tendency. 2. A. desiccating 

 or drying remedy or application. 



Exsiccator (ek> '-sik-a-tor) [exsiccare, to dry up]. A 

 closed glass vessel containing a tray of H 2 S0 4 , used 

 to dry and cool substances preparatory to weighing. 



Exspuition (eks-pu-ish' -un) [ex, out; spuere, to spit]. 

 Expectoration ; spitting. 



Exstipulate (ek-stip* '-u-lat) [ex, without; stipula, a 

 stipule]. In biology, destitute of stipules. 



Exstrophy (eks' '-tro-fe) [inoTpitetv, to evert]. I. The 

 turning of a hollow organ inside out ; the state of 

 being turned inside out. 2. Congenital absence* of 

 the anterior wall of the bladder and abdomen with 

 extroversion of the bladder. 



Exsuccation (ek-suk-ka' -shun) [ex, out ; succus, juice]. 

 Same as Ecchymosis. 



Exsuccous (ek-suk'-us) [ex, without ; succus, juice, 

 sap]. In biology, juiceless. Also written Exuccous. 



Exsufflation (ek-suf-la' '-shun) [ex, out; sufflare, to 

 blow]. Forced discharge of the breath. 



Exta [eis'-tah) [L. ,//.]. The viscera, especially those 

 of the chest. 



Extension (eks-ten' -shun) [extendere, to stretch out]. 

 1. The opposite of flexion ; the straightening of a 

 flexed limb by the natural and functional process ; the 

 state of a limb that is not flexed. 2. Traction made 

 upon a fractured or dislocated limb in order to bring 

 the parts into proper apposition. E., Angular, a 

 method of reducing and maintaining old dislocations 

 of the hip. E., Counter-, traction upon the trunk or 

 the trunk-end of a fractured limb in addition to ex- 

 tension. E., Double, traction applied to both limbs uj 

 hip-joint disease, etc. E. Stage in Labor, one of 

 the stages of labor, consisting in the bending of the 

 fetal head, the occiput toward the back. 



Extensor (eks-ten' -sor) [extendere, to extend]. That 

 which stretches out or extends. E. Muscles. See 

 Muscles, Table of. E. Tetanus, in general spasms 

 the extensor muscles overcome the flexors, and the 

 spasm thus becomes an extensor tetanus. 



Extenuation (eks-ten-u-a' -shun) [^jr,out; tenuis, thin]. 

 Thinness ; leanness of body ; delicacy. 



Extern (eks' -tern) [externus, outward]. I. Outside; 

 outside the gates of a hospital. 2. An out-door patient. 

 3. A medical student, or graduate, who attends to 

 out-door charity cases. E. Maternity, a lying-in in 

 a private house. 



Externalization (eks-tern-al-iz-a' -shun) [externus, out- 

 ward]. The process of externalizing, or embodying. 

 E. of Sensation. See Sensithnsation. 



Externomedian (eks-ter-no-me* -de-an) [externus, out- 

 ward; medius, middle]. In biology, outside the 

 median line. 



Extesticulate (eks-tes-tik' -u-lat) [ex, out ; testiculus, a 

 testicle]. To castrate. 



Extinction (eks-tink' -shun) [extinguere, to extinguish] . 

 Complete abeyance or final loss, as of the voice ; also, 

 incomplete loss. 



Extine (eks' -tin) [externus, outside]. In biology, the 

 outer coat of a pollen-grain. Also Exine (Schacht). 



Extirpation (eks-ter-pa' '-shun) [extirpare, to root out]. 

 Thorough excision or out-rooting of a part, as of a 

 gland, a tumor, the uterus, the ovaries, etc. E. of 

 the Eyeball, complete removal of the globe of the 

 eye. Enucleation. 



Extra- (eks'-trah-) [L.]. A prefix, meaning outside, 

 without. E. -axillary, in biology, applied to a branch 

 or bud somewhat out of the axil. E.-current, the 

 induced electric current. E. -enteric. In biology, 

 perivisceral. E. -neural, situated or occurring out- 

 side of a nerve. A term applied to certain nervous 



